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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* count_alpha.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: exam <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/07/26 13:36:33 by exam #+# #+# */
/* Updated: 2019/07/26 14:30:23 by exam ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <unistd.h>
typedef struct s_counter
{
char letter;
int count;
} t_counter;
int in_counters(t_counter *counters, char c)
{
int i;
i = 0;
while (counters[i].letter)
{
if (c == counters[i].letter)
return (1);
i++;
}
return (0);
}
void str_tolow(char *str)
{
while (*str)
{
if (*str >= 'A' && *str <= 'Z')
*str += 'a' - 'A';
str++;
}
}
int count_char(char c, char *str)
{
int counter;
counter = 0;
while (*str)
{
if (c == *str)
counter++;
str++;
}
return (counter);
}
void print_counters(t_counter *counters, int size)
{
int i;
i = 0;
while (i < size)
{
if (counters[i].count != 0)
{
printf("%d%c", counters[i].count, counters[i].letter);
if (i != size - 1)
printf(", ");
}
i++;
}
}
int main(int argc, char **argv)
{
t_counter counters[26];
int i;
int j;
if (argc == 2)
{
i = 0;
j = 0;
while (i < 26)
{
counters[i].letter = '\0';
counters[i].count = 0;
i++;
}
str_tolow(argv[1]);
i = 0;
while (argv[1][i])
{
if (argv[1][i] >= 'a' && argv[1][i] <= 'z' && !in_counters(counters, argv[1][i]))
{
counters[j].letter = argv[1][i];
counters[j].count = count_char(argv[1][i], argv[1]);
j++;
}
i++;
}
print_counters(counters, j);
}
printf("\n");
return (0);
}
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